1 /* { dg-do compile } */ 2 /* { dg-options "-O -fdump-tree-optimized" } */ 3 f(int x)4 int f(int x){ 5 int y = x; 6 int z = 0; 7 return x / y - x % y + z / y; 8 } 9 10 /* { dg-final { scan-tree-dump "return 1;" "optimized"} } */ 11